SOLUTION: Please help me with this question, How many grams of pure water must be added to 40 grams of a 10% saline solution to make a saline solution that is 5% salt?

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Question 1174493: Please help me with this question,
How many grams of pure water must be added to 40 grams of a 10% saline solution to make a saline solution that is
5% salt?

Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Notice 10% is two times 5%. Concentration was cut in half.